Stinson Beach water temperature

Typically about 57° in August — brisk.

from the San Francisco offshore buoy, about 15 miles away

brisk

bath-warm 80° and up perfect 72–79° refreshing 65–71° brisk below 65° 57° typical for August

The year at a glance

Rarely reaches swimmable temperatures.

40° 50° 60° 70° 60° 52° JFMAMJJASOND January: typically 54° — brisk February: typically 54° — brisk March: typically 52° — brisk April: typically 52° — brisk May: typically 53° — brisk June: typically 53° — brisk July: typically 56° — brisk August: typically 57° — brisk September: typically 60° — brisk October: typically 59° — brisk November: typically 56° — brisk December: typically 56° — brisk

Month by month

Month Typical Feels
January 54° brisk
February 54° brisk
March 52° brisk
April 52° brisk
May 53° brisk
June 53° brisk
July 56° brisk
August 57° brisk
September 60° brisk
October 59° brisk
November 56° brisk
December 56° brisk

About this reading

The reading comes from the San Francisco offshore buoy riding about 15 miles out; the surf zone usually reads close to it, though sun-warmed shallows can run warmer on calm afternoons.

Reading from the San Francisco offshore buoy, about 15 miles away.

Warm water says nothing about surf, rip currents, or bacteria — check local lifeguard flags and advisories.